Moved TabWidget grab animation to mouse press to match fancy docking behavior, fixed missed mouse up cursor restore

Code/Framework/AzQtComponents/AzQtComponents/Components/FancyDocking.cpp

@@ -2003,11 +2003,6 @@ namespace AzQtComponents
             clearDraggingState();
         }
 
-        if (QApplication::overrideCursor())
-        {
-            QApplication::restoreOverrideCursor();
-        }
-
         return true;
     }
 
@@ -2385,11 +2380,6 @@ namespace AzQtComponents
      */
     void FancyDocking::dropDockWidget(QDockWidget* dock, QWidget* onto, Qt::DockWidgetArea area)
     {
-        if (QApplication::overrideCursor())
-        {
-            QApplication::restoreOverrideCursor();
-        }                                         
-
         // If the dock widget we are dropping is currently a tab, we need to retrieve it from
         // the tab widget, and remove it as a tab.  We also need to remove its item from our
         // cache of widget <-> tab container since we are moving it somewhere else.
@@ -3573,6 +3563,11 @@ namespace AzQtComponents
      */
     void FancyDocking::clearDraggingState()
     {
+        if (QApplication::overrideCursor())
+        {
+            QApplication::restoreOverrideCursor();
+        }
+
         m_ghostWidget->hide();
 
         // Release the mouse and keyboard from our main window since we grab them when we start dragging

Code/Framework/AzQtComponents/AzQtComponents/Components/Widgets/TabWidget.cpp

@@ -464,6 +464,11 @@ namespace AzQtComponents
     {
         if (mouseEvent->buttons() & Qt::LeftButton)
         {
+            if (!QApplication::overrideCursor() || *QApplication::overrideCursor() != m_dragCursor)
+            {
+                QApplication::setOverrideCursor(m_dragCursor);
+            }
+
             m_lastMousePress = mouseEvent->pos();
         }
 
@@ -478,6 +483,7 @@ namespace AzQtComponents
             // selected tab is moved around. The close button is not explicitly rendered for the
             // moved tab during this operation. We need to make sure not to set it visible again
             // while the tab is moving. This flag makes sure it happens.
+
             m_movingTab = true;
         }